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sync: document sync.thread_id()

pull/13758/head^2
Delyan Angelov 2022-03-23 19:48:13 +02:00
parent ce576d01c4
commit 5b668dba2b
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1 changed files with 8 additions and 0 deletions
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8
vlib/sync/thread_default.c.v
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@ -2,6 +2,14 @@ module sync
fn C.pthread_self() usize fn C.pthread_self() usize
// thread_id returns a unique identifier for the caller thread.
// All *currently* running threads in the same process, will have *different* thread identifiers.
// Note: if a thread finishes, and another starts, the identifier of the old thread may be
// reused for the newly started thread.
// In other words, thread IDs are guaranteed to be unique only within a process.
// A thread ID may be reused after a terminated thread has been joined (with `t.wait()`),
// or when the thread has terminated.
pub fn thread_id() u64 { pub fn thread_id() u64 {
return u64(C.pthread_self()) return u64(C.pthread_self())
} }